Home / 11,155.08-16,728.29-5,604.54

Finding the Fourth Proportional to 11,155.08, 16,728.29 and 5,604.54

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Solution

The fourth proportional to 11,155.08, 16,728.29 and 5,604.54 is: 8,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.08 : 16,728.29 = 5,604.54 : x
  2. Step 2: Convert to fraction form
    11,155.08/16,728.29 = 5,604.54/x
  3. Step 3: Cross multiply
    11,155.08x = 16,728.29 × 5,604.54
  4. Step 4: Simplify right side
    11,155.08x = 93,754,370.44
  5. Step 5: Solve for x
    x = 93,754,370.44/11,155.08
  6. Step 6: Final answer
    x = 8,404.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.